diff --git a/src/workerd/io/compatibility-date.capnp b/src/workerd/io/compatibility-date.capnp
index 9573ea607ab8..6489b4fc6e9e 100644
--- a/src/workerd/io/compatibility-date.capnp
+++ b/src/workerd/io/compatibility-date.capnp
@@ -504,4 +504,10 @@ struct CompatibilityFlags @0x8f8c1b68151b6cef {
       $compatDisableFlag("legacy_module_registry")
       $experimental;
   # Enables of the new module registry implementation.
+
+  kvDirectBinding @53 :Bool
+      $compatEnableFlag("kvDirectBinding")
+      $experimental;
+  # Enables bypassing FL by translating pipeline tunnel configuration to subpipeline.
+
 }